title: Activation of mu opioid receptors in the medial preoptic area following copulation in male rats.
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology; D000818:Animals; D003307:Copulation / Q000502:physiology*; D004705:Endocytosis / Q000187:drug effects / Q000502:physiology; D020875:Enkephalin, Ala(2)-MePhe(4)-Gly(5)- / Q000494:pharmacology; D005260:Female; D008024:Ligands; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology; D011301:Preoptic Area / Q000502:physiology*; D016760:Proto-Oncogene Proteins c-fos / Q000378:metabolism; D051381:Rats; D017207:Rats, Sprague-Dawley; D017450:Receptors, Opioid, mu / Q000378:metabolism*
chemical_list: D000701:Analgesics, Opioid; D008024:Ligands; D009292:Narcotic Antagonists; D016760:Proto-Oncogene Proteins c-fos; D017450:Receptors, Opioid, mu; D020875:Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; D009270:Naloxone